In order to win back his girlfriend, Mike Shayne promises to give up his detective practice and get a job as riveter in an aircraft plant. He quickly finds himself…

An orphan whose father has been killed by bandits inherits a mine. Cisco saves the mine and the child and also finds the child’s real mother.

Chan, in Paris for a reunion with friends from World War I, becomes involved in investigating the murder of a munitions manufacturer who was supplying arms to the enemy, even…